JPH03293081A - Vaporizing and concentrating equipment for photographic processing waste liquid - Google Patents
Vaporizing and concentrating equipment for photographic processing waste liquidInfo
- Publication number
- JPH03293081A JPH03293081A JP9538890A JP9538890A JPH03293081A JP H03293081 A JPH03293081 A JP H03293081A JP 9538890 A JP9538890 A JP 9538890A JP 9538890 A JP9538890 A JP 9538890A JP H03293081 A JPH03293081 A JP H03293081A
- Authority
- JP
- Japan
- Prior art keywords
- waste liquid
- photographic processing
- heat pump
- processing waste
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 81
- 239000002699 waste material Substances 0.000 title claims abstract description 71
- 238000012545 processing Methods 0.000 title claims abstract description 65
- 230000008016 vaporization Effects 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000001704 evaporation Methods 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000007664 blowing Methods 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 abstract description 18
- 238000009833 condensation Methods 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 abstract description 6
- 238000009834 vaporization Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 238000000034 method Methods 0.000 description 17
- 238000011282 treatment Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 9
- 238000005406 washing Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 235000019645 odor Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical group [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- -1 silver halide Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Landscapes
- Photographic Processing Devices Using Wet Methods (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は写真処理廃液の蒸発濃縮装置の加熱および冷却
源としてのヒートポンプの安定化技術に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a technique for stabilizing a heat pump as a heating and cooling source for an evaporative concentration apparatus for photographic processing waste liquid.
一般に、ハロゲン化銀写真感光材料の写真処理は、黒白
感光材料の場合には、現像、定着、水洗等、カラー感光
材料の場合には発色現像、漂白定着（又は漂白、定着）
、水洗、安定化等の機能の１つ又は２つ以上を有する処
理液を用いた行程を組合わせて行われている。In general, photographic processing of silver halide photographic materials includes development, fixing, washing, etc. in the case of black and white materials, and color development, bleach-fixing (or bleaching and fixing) in the case of color materials.
A combination of processes using a treatment liquid having one or more functions such as , water washing, and stabilization is performed.
そして、多量の感光材料を処理する写真処理においては
、処理によって消費された成分を補充し一方、処理によ
って処理液中に溶出或は蒸発によって濃化する成分（例
えば現像液における臭化物イオン、定着液における銀錯
塩のような）を除去して処理液成分を一定に保つことに
よって処理液の性能を一定に維持する手段が採られてお
り、上記補充のために補充液が処理液に補充され、写真
処理における濃厚化成分の除去のために処理液の部が廃
棄されている。In photographic processing in which a large amount of light-sensitive material is processed, components consumed during processing are replenished, while components that are eluted into the processing solution or concentrated by evaporation during processing (for example, bromide ions in the developer, bromide ions in the fixer), etc. A method is adopted to maintain the performance of the processing solution at a constant level by removing substances such as silver complex salts (such as silver complex salts) and keeping the processing solution components constant. A portion of the processing solution is discarded to remove thickening components in photographic processing.
近年、補充液は水洗の補充液である水洗水を含めて公害
上や経済的理由から補充の量を大幅に減少させたシステ
ムに変わりつつあるが、写真処理廃液は自動現像機の処
理槽から廃液管によって導かれ、水洗水の廃液や自動現
像機の冷却水等で稀釈されて下水道等に廃棄されていた
。In recent years, systems have been changing to systems in which the amount of replenishment fluid, including washing water, which is used as a replenishment fluid for washing, has been significantly reduced due to pollution and economic reasons, but photographic processing waste fluid is removed from the processing tank of automatic processors. The liquid was led through a waste pipe, diluted with waste liquid from washing water, cooling water from automatic processing machines, etc., and disposed of in sewers, etc.
しかしながら、近年の公害規制の強化により、水洗水や
冷却水の下水道や河川への廃棄は可能であるが、これら
以外の写真処理液〔例えば、現像液、定着液、発色現像
液、漂白定着液（又は漂白液、定着液）、安定液等】の
廃棄は、実質的に不可能となっている。このため、各写
真処理業者は廃液を専門の廃液処理業者に回収料金を払
って回収してもらったり公害処理設備を設置したりして
いる。しかしながら、廃液処理業者に委託する方法は、
廃液を貯留しておくのにかなりのスペースが必要となる
し、またコスト的にも極めて高価であり、さらに公害処
理設備は初期投資（イニ７ヤルコスト）が極めて大きく
、整備するのにかなり広大な場所を必要とする等の欠点
を有している。However, due to stricter pollution regulations in recent years, it is possible to dispose of washing water and cooling water into sewers or rivers, but it is possible to dispose of washing water and cooling water into sewers or rivers. (or bleaching solutions, fixing solutions), stabilizers, etc.] has become virtually impossible to dispose of. For this reason, each photo processing company pays a collection fee to a specialized waste liquid processing company to collect the waste liquid, or installs pollution treatment equipment. However, the method of outsourcing to a waste liquid treatment company is
A considerable amount of space is required to store the waste liquid, and it is also extremely expensive.Furthermore, the initial investment (initial cost) of pollution treatment equipment is extremely large, and it takes quite a large space to set up. It has drawbacks such as the need for space.
さらに、具体的には、写真処理廃液の公害負荷を低減さ
せる公害処理方法としては、活性汚泥法（例えば、特公
昭５１−１２９４３号及び簡閲５１−７９５２号等）、
蒸発法（特開昭４９−８９４３７号及び同５６−３３９
９６号等）、電解酸化法（特開昭４８−８４４６２号、
同４９１１９４５８号、特公昭５３−４３４７８号、特
開５Ｂ４９−１１９４５７号等）、イオン交換法（特公
昭５１−３７７０４号、特開昭５３〜３８３号、特公昭
５３−４３２７１号等）、逆浸透法（特開昭５０−２２
４６３号等）化学的処理法（特開昭４９−６４２５７号
、特公昭５７−３７３９６号、特開昭５３−１２１５２
号、同４９５８８３３号、同５３−６３７６３号、特公
昭５７−３７３９５号等）等が知られているが、これら
は未だ充分ではない。Furthermore, specifically, as a pollution treatment method for reducing the pollution load of photographic processing waste liquid, activated sludge method (for example, Japanese Patent Publication No. 51-12943 and Japanese Patent Publication No. 51-7952, etc.);
Evaporation method (JP-A-49-89437 and JP-A-56-339)
No. 96, etc.), electrolytic oxidation method (JP-A-48-84462,
49119458, Japanese Patent Publication No. 53-43478, Japanese Patent Publication No. 5B49-119457, etc.), ion exchange method (Japanese Patent Publication No. 51-37704, Japanese Patent Publication No. 53-383, Japanese Patent Publication No. 53-43271, etc.), reverse osmosis Act (Unexamined Japanese Patent Publication No. 50-22
No. 463, etc.) Chemical treatment methods (JP-A-49-64257, JP-A-57-37396, JP-A-53-12152)
No. 4958833, No. 53-63763, Japanese Patent Publication No. 57-37395, etc.), but these are still insufficient.
一方、水資源面からの制約、給排水コストの上昇、自動
現像機設備における簡易さと、自動現像機周辺の作業環
境上の点等から、近年、水洗に変わる安定化処理を用い
、自動現像機外に水洗の給排水のための配管を要しない
自動現像機（いわゆる無水洗自動現像機）による写真処
理が普及しつつある。このような処理では処理液の温度
コントロールするための冷却水も省略されたものが望ま
れている。このような実質的に水洗水や冷却水を用いな
い写真処理では自動現像機からの写真処理廃液かある場
合と比べて水によって稀釈されないためその公害負荷が
極めて大きく一方において廃液量か少ない特徴かある。On the other hand, due to constraints from water resources, rising water supply and drainage costs, the simplicity of automatic processor equipment, and the work environment around automatic processors, in recent years, stabilization treatments have been used instead of washing with water, and Photographic processing using automatic developing machines (so-called waterless automatic developing machines) that do not require piping for water supply and drainage is becoming popular. In such processing, it is desired that cooling water for controlling the temperature of the processing liquid can also be omitted. In such photographic processing that does not substantially use rinsing water or cooling water, the pollution load is extremely large compared to the case where there is photographic processing waste liquid from an automatic processor because it is not diluted with water.On the other hand, the amount of waste liquid is small. be.
従って、この廃液量か少ない二とにより、給廃液用の機
外の配管を省略でき、それにより従来の自動現像機の欠
点と考えられる配管を設置するために設置後は移動が困
難であり、足下スペースが狭く、設置時の配管工事に多
大の費用を要し、温水供給圧のエイ・ルギー費を要する
等の欠点が解消され、オフィスマンンとして使用できる
までコンパクト化、簡易化が達成されるという極めて大
きい利点が発揮される。Therefore, due to the small amount of waste liquid, it is possible to omit the piping outside the machine for supplying and waste liquid, which is considered to be a drawback of conventional automatic processors, which is difficult to move after installation. The disadvantages such as the narrow leg space, the high cost of piping work during installation, and the high cost of hot water supply pressure have been overcome, and the system has been made compact and simple enough to be used as an office space. This provides an extremely large advantage in terms of
しかしなから、この反面、その廃液は極めて高い公害負
荷を有しており、河川はもとより下水道にさえ、その公
害規制に照らしてその廃液は全く不可能とな−てさてい
る。さらにこのような写真処理（多量の流水を用いて、
水洗を行わない処理）の廃液量は少なし゛とはいえ、例
えば比較的小規模なカラー処理ラボでも、１日にｌ０ｆ
２程度となる。However, on the other hand, the waste liquid has an extremely high pollution load, and in light of pollution regulations, it is completely impossible to drain it into rivers or even sewers. Furthermore, such photo processing (using a large amount of running water,
Although the amount of waste liquid from processing (processing that does not involve water washing) is small, for example, even in a relatively small-scale color processing laboratory, 10f/day
It will be about 2.
従って、一般には廃液回収業者によって回収され、二次
及び三次処理され無害化されているが、回収費の高騰に
より廃液引き取り価格は年々高くなるばかりでなく、ミ
ニうボ等では回収効率は悪いため、なかなか回収に来て
もらうことができず、廃液か店に充満する等の問題を生
している。Therefore, waste liquid is generally collected by a waste liquid collection company and rendered harmless through secondary and tertiary processing, but not only does the price of waste liquid collection increase year by year due to rising collection costs, but also because the collection efficiency of mini-Ubo etc. is low. However, it is difficult to get people to come and collect the liquid, leading to problems such as waste liquid filling the store.
方、これらの問題を解決するために写真処理廃液の処理
をミニラボ等でも容易に行えることを目的として、写真
処理廃液を加熱して水分を蒸発乾固ないし固化すること
か研究されており、例えば、実開昭６０−７０８４１号
等に示されている。発明者等の研究では写真処理業者を
蒸発処理した場合、亜硫酸ガス、硫化水素、アンモニア
ガス等の有害ないし極めて悪臭性のカスが発生する。こ
れは写真処理液の定着液や漂白定着液としてよく用いら
れるチオ硫酸アンモニウムや亜硫酸塩（アンモニウム塩
、ナトリウム塩又はカリウム塩）が高温のため分解する
ことによって発生することがわかった。更に蒸発処理時
には写真処理廃液中の水分等が蒸気となって気体化する
ことにより体積が膨張し、蒸発釜中の圧力が増大する。On the other hand, in order to solve these problems, research has been conducted on heating the photographic processing waste liquid to evaporate the water to dryness or solidify it, with the aim of making it easier to process the photographic processing waste liquid in a mini-lab etc. , Utility Model Application No. 60-70841, etc. According to research conducted by the inventors, when photoprocessors undergo evaporative treatment, harmful or extremely foul-smelling residue such as sulfur dioxide gas, hydrogen sulfide, and ammonia gas is generated. It has been found that this is caused by the decomposition of ammonium thiosulfate and sulfites (ammonium salt, sodium salt, or potassium salt), which are commonly used as fixing solutions and bleach-fixing solutions in photographic processing solutions, due to high temperatures. Further, during the evaporation process, moisture and the like in the photographic processing waste liquid becomes vapor and gasifies, thereby expanding the volume and increasing the pressure in the evaporation pot.
このためこの圧力によって蒸発処理装置から前記有害な
いし悪臭性のガスが装置外部へもれ出してしまい、作業
環境上極めて好ましくないことが起こる。Therefore, this pressure causes the harmful or malodorous gases to leak out of the evaporation treatment apparatus to the outside of the apparatus, resulting in an extremely unfavorable working environment.
そこで、これらを解決するために実開昭６０−７０８４
１号には蒸発処理装置の排気管部に活性炭等の排ガス処
理部を設ける方法が開示されている。しかし、この方法
は写真処理廃液中の多量の水分による水蒸気により、排
ガス処理部で結露又は凝結し、ガス吸収処理剤を水分が
覆い、ガス吸収能力を瞬時に失わせてしまう重大な欠点
を有しており、未だ実用には供し得ないものであっｔ：
。Therefore, in order to solve these problems,
No. 1 discloses a method of providing an exhaust gas treatment section such as activated carbon in the exhaust pipe section of an evaporation treatment device. However, this method has the serious drawback that water vapor from a large amount of water in the photographic processing waste liquid condenses or condenses in the exhaust gas treatment section, covering the gas absorption processing agent and causing it to instantly lose its gas absorption ability. However, it cannot be put to practical use yet:
.
これらの問題点を解決するために、この出願人等は写真
処理廃液を蒸発処理するに際し、蒸発によって生じる蒸
気を凝縮させる冷却凝縮手段を設け、さらに凝縮によっ
て生じる凝縮水を処理するとともに非凝縮成分について
も処理して外部へ放出する写真処理廃液の処理方法及び
装置について先に提案した。In order to solve these problems, the present applicant et al. installed a cooling condensing means to condense the vapor generated by the evaporation when evaporating photographic processing waste liquid, and further treated the condensed water generated by the condensation and also processed the non-condensable components. We have previously proposed a method and apparatus for treating photographic processing waste liquid, which is also treated and discharged to the outside.
しかしながら、上記提案によれば、次のような問題点が
あることを見い出した。すなわち、蒸発処理によって生
じる蒸気は冷却凝縮手段で凝縮されるが、論理凝縮効率
が悪いと、凝縮されないで装置外部へ放出される蒸気の
比率が高くなり、たとえ活性炭で処理したとしても、悪
臭で有害なガスが装置外部へ放出される比率も高くなる
。さらに冷却凝縮手段によって凝縮された凝縮水も、た
とえ活性炭で処理したとしても、廃棄する時におったり
、公害負荷が高くそのまま下水等に排出できない場合も
ある。However, it has been discovered that the above proposal has the following problems. In other words, the vapor generated by the evaporation process is condensed by the cooling condensing means, but if the logical condensation efficiency is poor, the proportion of vapor that is not condensed and released to the outside of the device will be high, and even if treated with activated carbon, it will cause a bad odor. The rate at which harmful gases are released to the outside of the device also increases. Furthermore, even if the condensed water condensed by the cooling condensing means is treated with activated carbon, it may have to be disposed of, or the pollution load may be so high that it may not be possible to directly discharge it to a sewage system or the like.
さらに、ミニラボでは店のスペースが極めて限られてお
り、写真処理液を処理することにより発生する悪臭が特
に問題となるばかりでなく、廃液処理装置自体の設置ス
ペースが問題となる。また、装置の値段やランニングコ
ストも重要な問題である従って、写真処理廃液を、悪臭
で有害なガスを発生することなく処理できるコンパクト
で安価でかつランニングコストが低く安定した処理装置
が要望されている。Furthermore, the space available in minilabs is extremely limited, and not only is the bad odor generated by processing photographic processing solutions a particular problem, but also the installation space for the waste solution processing equipment itself becomes a problem. In addition, the price and running cost of the equipment are also important issues, so there is a need for a compact, inexpensive, stable processing equipment with low running costs that can process photographic processing waste liquid without emitting foul-smelling or harmful gases. There is.
このように写真処理廃液を自現機のそばで、オンデイマ
ントで直ちに蒸発濃縮してしまうことが望ましい。しか
し、それには従来のｔ熱による加熱を行うと電力消費が
大きく得策でなく、それを解決するために本出願人は特
開昭６３−１５１３０１号で提案したようにヒートポン
プを用い、その加熱部および冷却部を蒸発濃縮のための
加熱と発生蒸気や発生ガスの冷却に用いることにより使
用電力が５０％以下になりそれをかなり低くさせること
に成功し・ｌ二。In this way, it is desirable to immediately evaporate and concentrate the photographic processing waste liquid using an on-day clot near the automatic processor. However, it is not a good idea to use conventional t-heat heating for this purpose as it consumes a lot of power.To solve this problem, the applicant used a heat pump as proposed in JP-A No. 63-151301, and the heating part By using the cooling section for heating for evaporative concentration and for cooling the generated steam and gas, we succeeded in reducing the power consumption to less than 50%, which is considerably lower.
しかし、ヒートポンプを使用した廃液はこのように熱効
率が格段に良好であるが、蒸発濃縮中に廃液タンクから
廃液を濃縮カラム内に供給すると熱バランスが崩れてし
まうため、濃縮を停止してから廃液を該カラム内１；供
給して、その後ヒートポンプの運転を再開している。従
って蒸発濃縮停止から蒸発＃縮再開の間は廃液供給時間
も入り、この間全く蒸発濃縮は行われず全体としての蒸
発濃縮の処理速度即ち処理能力は大幅に低下してしまう
。However, although the thermal efficiency of waste liquid using a heat pump is extremely good, if the waste liquid is supplied from the waste liquid tank to the concentration column during evaporative concentration, the heat balance will be disrupted, so the waste liquid must be disposed of after stopping concentration. is supplied into the column 1, and then the operation of the heat pump is restarted. Therefore, there is a waste liquid supply time between the stop of evaporation concentration and the restart of evaporation/condensation, and during this period, evaporation concentration is not performed at all, and the overall processing speed of evaporation concentration, that is, processing capacity is significantly reduced.
本発明はヒートポンプによる写真処理廃液の蒸発濃縮の
処理能力低下という欠点を除去し、該処理能力の向上、
即ち蒸発濃縮処理の稼働時間の向上をはかれる写真処理
廃液の蒸発濃縮装置を提供することを課題目的にする。The present invention eliminates the disadvantage of a reduction in processing capacity for evaporative concentration of photographic processing waste liquid using a heat pump, improves the processing capacity,
That is, an object of the present invention is to provide an apparatus for evaporating and concentrating photographic processing waste liquid that can improve the operating time of the evaporative concentration process.
この目的は次の（ａ）または（ｂ）の手段によって達成
される。This objective is achieved by the following means (a) or (b).
（ａ）写真処理廃液を蒸発濃縮させ、これによって生ず
る蒸気を冷却凝縮ｔこよって液化させる写真処理廃液の
蒸発濃縮装置において、写真処理廃液をヒートポンプの
加熱部で加熱する濃縮カラムと、ヒートポンプの加熱部
で空気を加熱する手段と、該空気を送る送風手段と該空
気を前記濃縮カラム内の写真処理廃液に接触させる送風
案内手段と蒸発蒸気を含む該空気をヒートポンプの冷却
部に接触凝縮させる手段とを何する写真処理廃液の蒸発
濃縮装置。(a) In an evaporative concentration device for photographic processing waste liquid that evaporates and concentrates photographic processing waste liquid and liquefies the resulting vapor by cooling and condensing it, there is a concentrating column that heats the photographic processing waste liquid in the heating section of a heat pump, and a heating part of the heat pump. a means for heating air in the cooling section of the heat pump, a blowing means for sending the air, a blowing guide means for bringing the air into contact with the photographic processing waste liquid in the concentration column, and a means for contacting and condensing the air containing evaporated vapor in the cooling section of the heat pump. An evaporative concentration device for photographic processing waste liquid.
（ｂ）前記（ａ）項において、前記蒸発蒸気を凝縮させ
た後の空気を、再び前記ヒートポンプの加熱部に回す空
気循環手段を設けたことを特徴とする写真処理廃液の蒸
発濃縮装置。(b) The apparatus for evaporating and concentrating photographic processing waste liquid according to item (a) above, further comprising an air circulation means for circulating the air after condensing the evaporated vapor to the heating section of the heat pump again.
本発明の第１の実施例を嬉Ｉ図の概要図によって説明す
る。A first embodiment of the present invention will be explained using a schematic diagram of a happy I diagram.
減圧に堪え得る蒸発濃縮カラム（以下、単にカラムとい
う）１には、その液留め部４とそのヒートポンプの加熱
部２Ａと該液溜部４からの液浸上げベルト５１とが独立
して設けられ、カラム１の上部は連通し、更に該カラム
】の隣には蒸気凝縮部５８よび蒸留水の溜部８Ｃが設け
られている。そして、該蒸気ｌｌＩ縮部５内にはヒート
ポンプの冷却部８Ａが設けられその上方にはカラムｌの
上部に連通する部分があり、下部には上方の蒸気の高温
ダクト４１に通じる風路４４が設けられている。そして
該ダクト４１内にはヒートポンプの加熱部２Ｃおよび、
ファン４２が設けられ、前記冷却部８Ａの上方より入っ
て冷却されｔ：残りの一部の余り蒸気も含めた空気を前
記風路４４を経て前記ダクト４１を通りて７７ン４２で
カラム１に循環さすようにしてあり、更にその循環中に
空気とともに加熱部２Ｃが作用して高温化するようにし
である。An evaporative concentration column (hereinafter simply referred to as a column) 1 that can withstand reduced pressure is independently provided with its liquid retention section 4, its heat pump heating section 2A, and a liquid immersion lifting belt 51 from the liquid reservoir section 4. , the upper part of the column 1 is in communication, and a vapor condensing section 58 and a distilled water reservoir section 8C are provided next to the column. A cooling section 8A of the heat pump is provided in the vapor compression section 5, and above it there is a part communicating with the upper part of the column 1, and at the lower part there is an air passage 44 communicating with the high temperature duct 41 for steam above. It is provided. Inside the duct 41 is a heating section 2C of a heat pump,
A fan 42 is provided, which enters the cooling section 8A from above and cools the air. The air is circulated, and during the circulation, the heating section 2C acts together with the air to raise the temperature.
また、カラムｌ内の液溜まり４より上方の液外部にはヒ
ートポンプの加熱部２Ｂが前記加熱部２＾と直列に連結
して設けられている。Further, a heating section 2B of a heat pump is provided outside the liquid above the liquid reservoir 4 in the column 1 and connected in series with the heating section 2^.
これにより汲上げベルト５１によって汲上げられながら
循環する該ベルト上の廃液は早急に前記ダクト４１内の
加熱蒸気の一部および加熱空気のたすけにもよって蒸発
させられ熱バランスを安定化すると共に蒸発凝縮効率を
向上させて行くことになる。As a result, the waste liquid on the pumping belt 51, which circulates while being pumped up, is quickly evaporated with the help of a part of the heated steam in the duct 41 and the heated air, thereby stabilizing the heat balance and evaporating it. This will improve condensation efficiency.
熱源、冷却源としてはヒートポンプを使用しており、コ
ンプレッサー２１で圧縮された高圧加熱冷媒は加熱部２
Ｃ，２Ａ、２Ｂを直列に連結し、カラムｌの外に出てフ
ァン６６で冷されながら膨張弁の役をするキャピラリチ
ューブ２６を通り気化されて冷却部８Ａを通り前述のコ
ンプレッサー２１に戻るようにしである。A heat pump is used as the heat source and cooling source, and the high-pressure heating refrigerant compressed by the compressor 21 is transferred to the heating section 2.
C, 2A, and 2B are connected in series, and the air flows out of the column 1, is cooled by a fan 66, passes through the capillary tube 26 that serves as an expansion valve, is vaporized, and returns to the aforementioned compressor 21 through the cooling section 8A. It's Nishide.
なお、第１図には減圧手段は省略しであるがこれは設け
ておく方が臭気の蒸発等を厳密に防止するｔ；めには更
に好ましいといえる。しかし、臭気等をあまり考慮しな
い場ａには減圧手段を特に必要としない。Although the pressure reducing means is omitted in FIG. 1, it is more preferable to provide it in order to strictly prevent the evaporation of odors. However, in cases a where odor and the like are not much of a concern, no pressure reducing means is particularly required.
本実施例では、カラムｌ内への写真処理廃液のｅ、給送
１；！、容器６，３とポンプ（Ｐ）６２とを液給送手段
３のバイブでつなぎ該パイプの先端６１をカラム１の上
部にセットした第１図に示すような状態のもとに行われ
る。これによって熱バランスを崩れさせることなく熱効
率や処理速度を向上させながら該廃液を該カラムｌ内に
効率よく補給して行くことが可能になる。In this example, e, feed 1;! of photographic processing waste liquid into column l; This is carried out under the condition shown in FIG. 1, in which the containers 6, 3 and the pump (P) 62 are connected by a vibrator of the liquid supply means 3, and the tip 61 of the pipe is set at the top of the column 1. This makes it possible to efficiently replenish the waste liquid into the column 1 while improving thermal efficiency and processing speed without disrupting the thermal balance.
なお、補給の量と時期はレベルセンサー（ＬＣ）６４の
検知情報によって行われるようにしである。Note that the amount and timing of replenishment is determined based on information detected by the level sensor (LC) 64.
次に第２の実施例を第２図の部分断面図を用いて説明す
る。Next, a second embodiment will be described using the partial cross-sectional view of FIG.
蒸発濃縮カラムｌの上部にははね防止板８３を設は該カ
ラムｌの廃液の液面近傍にモータ８１に連結した撹拌器
８２を設はカラムｌからは、それに連通ずる第２カラム
ＩＡを設けそこに廃液槽（容器）６３よりポンプ６２に
よって廃液を適時汲上げるようにしである。また液面は
レベルセンサー（ＬＣ）６４によって保持されるように
しである。これによって減圧蒸発濃縮の場合の突沸現象
もなくなりたとえ濃縮廃液のはね上げかｐ）っても、凝
縮部へ該濃縮廃液が流れこんで行くこともなくなる。ま
た、凝縮部からの高温ダクｌ−４１を通ってきた、蒸発
蒸気の凝縮しのこりの蒸気及び高温空気は更にヒートポ
ンプの加熱部２Ｃを通ってカラム１の液面に接してカラ
ムｌ内の上部に抜は凝縮部に行く循環路を形成している
。A splash prevention plate 83 is provided at the top of the evaporative concentration column 1. A stirrer 82 connected to a motor 81 is provided near the liquid surface of the waste liquid in the column 1. A second column IA is connected to the column 1, and a second column IA is connected to the column 1. The waste liquid is pumped up from a waste liquid tank (container) 63 there by a pump 62 at the appropriate time. Further, the liquid level is maintained by a level sensor (LC) 64. This eliminates the bumping phenomenon that occurs in vacuum evaporation concentration, and even if the concentrated waste liquid splashes up, the concentrated waste liquid will not flow into the condensing section. In addition, the steam and high-temperature air remaining from the condensation of the evaporated vapor that has passed through the high-temperature duct L-41 from the condensing section further passes through the heating section 2C of the heat pump, contacts the liquid surface of column 1, and reaches the upper part of column 1. The drain forms a circulation path that goes to the condensing section.
この際、ヒートポンプの加熱部２Ａで加熱されている廃
液溜まり部４の廃液は、シートポンプ２Ｃによって加熱
された上記加熱蒸気入り高湿空気にたすけられてａ−ｍ
効果を高めて行くか、前記ヒートポンプ加熱部２Ｃには
その加熱パイプのまわりに第２図で示すようなフィン９
１が設けられ伝達効果を高めるようにしである。At this time, the waste liquid in the waste liquid reservoir section 4 heated by the heating section 2A of the heat pump is assisted by the high humidity air containing the heated steam heated by the sheet pump 2C.
In order to increase the effect, the heat pump heating section 2C is equipped with fins 9 as shown in FIG. 2 around the heating pipe.
1 is provided to enhance the transmission effect.
これにより廃液槽６３からポンプ（Ｐ）６２で冷たい廃
液を汲上げてＭ２カラム】Ａ、カラム１内の廃液が補給
されて行っても、熱バランスかにわかに変わることがな
い。As a result, even if the cold waste liquid is pumped up from the waste liquid tank 63 by the pump (P) 62 and the waste liquid in the M2 column A and column 1 is replenished, the heat balance will not change noticeably.
このように本発明の第１．第２の実施例にて説明したよ
うにカラムｌ内に廃液を補給しＩ；とき、熱バランスを
崩して一時蒸発濃縮が中止され蒸発濃縮速度を著しく低
下してしまう現象が回避され蒸発濃縮効率を高めること
が可能になった。In this way, the first aspect of the present invention. As explained in the second embodiment, when the waste liquid is replenished into the column I, the phenomenon in which the heat balance is disrupted and the evaporation concentration is temporarily stopped and the evaporation concentration rate is significantly reduced is avoided, and the evaporation concentration efficiency is improved. It is now possible to increase
なお、エヤ流量はヒートポンプの加熱容量に対して０．
１−１０００（ｉ／ＫｃａＱ−ｍｉｎであることが本発
明目的を更に有効に達成するために好ましい。Note that the air flow rate is 0.0% relative to the heating capacity of the heat pump.
1-1000 (i/KcaQ-min) is preferred in order to more effectively achieve the objects of the present invention.
また、本発明に廃液は、廃液槽６３またはカラムｌへの
補給速時にヒートポンプの加熱部で加熱しておくことは
より好ましいことである。Further, in the present invention, it is more preferable that the waste liquid be heated in the heating section of the heat pump at the time of replenishment to the waste liquid tank 63 or the column 1.
本発明によりヒートポンプを蒸発濃縮のため運転したま
ま、写真処理廃液を濃縮カラム内に供給しても熱バラン
スを崩すことなく、効率よく濃縮を進めることが可能に
なった。そして写真処理廃液の蒸発濃縮装置の蒸発濃縮
能力が更に向上することになった。According to the present invention, even if the photographic processing waste liquid is fed into the concentration column while the heat pump is operating for evaporation concentration, the concentration can be efficiently carried out without disturbing the heat balance. As a result, the evaporative concentration capability of the evaporative concentration device for photographic processing waste liquid has been further improved.
第１図は本発明の第１の実施例の概要図。 第２図は本発明の第２の実施例の概要図。 ｌ・・・蒸発濃縮カラム（カラム） ＩＡ・・・Ｗｃ２カラム FIG. 1 is a schematic diagram of a first embodiment of the present invention. FIG. 2 is a schematic diagram of a second embodiment of the present invention. l...evaporation concentration column (column) IA...Wc2 column
Claims (2)
る蒸気を冷却凝縮によって液化させる写真処理廃液の蒸
発濃縮装置において、写真処理廃液をヒートポンプの加
熱部で加熱する濃縮カラムと、ヒートポンプの加熱部で
空気を加熱する手段と、該空気を送る送風手段と該空気
を前記濃縮カラム内の写真処理廃液に接触させる送風案
内手段と蒸発蒸気を含む該空気をヒートポンプの冷却部
に接触凝縮させる手段とを有する写真処理廃液の蒸発濃
縮装置。(1) In an evaporative concentration device for photographic processing waste liquid that evaporates and concentrates photographic processing waste liquid and liquefies the resulting vapor by cooling and condensing, there is a concentrating column that heats the photographic processing waste liquid in the heating section of a heat pump, and a heating section of the heat pump. a means for heating air in the cooling section of the heat pump, a blowing means for sending the air, a blowing guide means for bringing the air into contact with the photographic processing waste liquid in the concentration column, and a means for contacting and condensing the air containing evaporated vapor in the cooling section of the heat pump. An apparatus for evaporating and concentrating photographic processing waste liquid, comprising:
の空気を、再び前記ヒートポンプの加熱部に回す空気循
環手段を設けたことを特徴とする写真処理廃液の蒸発濃
縮装置。(2) The apparatus for evaporating and concentrating photographic processing waste liquid according to claim 1, further comprising air circulation means for circulating the air after condensing the evaporated vapor back to the heating section of the heat pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9538890A JPH03293081A (en) | 1990-04-11 | 1990-04-11 | Vaporizing and concentrating equipment for photographic processing waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9538890A JPH03293081A (en) | 1990-04-11 | 1990-04-11 | Vaporizing and concentrating equipment for photographic processing waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03293081A true JPH03293081A (en) | 1991-12-24 |
Family
ID=14136271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9538890A Pending JPH03293081A (en) | 1990-04-11 | 1990-04-11 | Vaporizing and concentrating equipment for photographic processing waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03293081A (en) |
-
1990
- 1990-04-11 JP JP9538890A patent/JPH03293081A/en active Pending
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